Refactor and move media device initialization code to a new common module, so it
can be used by other devices, this will allow for example a near to introduce
imx7 CSI driver, to use this media device.
Signed-off-by: Rui Miguel Silva
---
drivers/staging/media/imx/Makefile| 1 +
drivers/staging/media/imx/imx-media-dev.c | 88 +--
drivers/staging/media/imx/imx-media-of.c | 6 +-
drivers/staging/media/imx/imx-media.h | 15
4 files changed, 39 insertions(+), 71 deletions(-)
diff --git a/drivers/staging/media/imx/Makefile
b/drivers/staging/media/imx/Makefile
index 698a4210316e..a30b3033f9a3 100644
--- a/drivers/staging/media/imx/Makefile
+++ b/drivers/staging/media/imx/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
imx-media-objs := imx-media-dev.o imx-media-internal-sd.o imx-media-of.o
+imx-media-objs += imx-media-dev-common.o
imx-media-common-objs := imx-media-utils.o imx-media-fim.o
imx-media-ic-objs := imx-ic-common.o imx-ic-prp.o imx-ic-prpencvf.o
diff --git a/drivers/staging/media/imx/imx-media-dev.c
b/drivers/staging/media/imx/imx-media-dev.c
index 4b344a4a3706..21f65af5c738 100644
--- a/drivers/staging/media/imx/imx-media-dev.c
+++ b/drivers/staging/media/imx/imx-media-dev.c
@@ -116,9 +116,9 @@ static int imx_media_get_ipu(struct imx_media_dev *imxmd,
}
/* async subdev bound notifier */
-static int imx_media_subdev_bound(struct v4l2_async_notifier *notifier,
- struct v4l2_subdev *sd,
- struct v4l2_async_subdev *asd)
+int imx_media_subdev_bound(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *sd,
+ struct v4l2_async_subdev *asd)
{
struct imx_media_dev *imxmd = notifier2dev(notifier);
int ret = 0;
@@ -302,7 +302,7 @@ static int imx_media_create_pad_vdev_lists(struct
imx_media_dev *imxmd)
}
/* async subdev complete notifier */
-static int imx_media_probe_complete(struct v4l2_async_notifier *notifier)
+int imx_media_probe_complete(struct v4l2_async_notifier *notifier)
{
struct imx_media_dev *imxmd = notifier2dev(notifier);
int ret;
@@ -326,11 +326,6 @@ static int imx_media_probe_complete(struct
v4l2_async_notifier *notifier)
return media_device_register(&imxmd->md);
}
-static const struct v4l2_async_notifier_operations imx_media_subdev_ops = {
- .bound = imx_media_subdev_bound,
- .complete = imx_media_probe_complete,
-};
-
/*
* adds controls to a video device from an entity subdevice.
* Continues upstream from the entity's sink pads.
@@ -374,8 +369,8 @@ static int imx_media_inherit_controls(struct imx_media_dev
*imxmd,
return ret;
}
-static int imx_media_link_notify(struct media_link *link, u32 flags,
-unsigned int notification)
+int imx_media_link_notify(struct media_link *link, u32 flags,
+ unsigned int notification)
{
struct media_entity *source = link->source->entity;
struct imx_media_pad_vdev *pad_vdev;
@@ -438,10 +433,6 @@ static int imx_media_link_notify(struct media_link *link,
u32 flags,
return ret;
}
-static const struct media_device_ops imx_media_md_ops = {
- .link_notify = imx_media_link_notify,
-};
-
static int imx_media_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -449,76 +440,36 @@ static int imx_media_probe(struct platform_device *pdev)
struct imx_media_dev *imxmd;
int ret;
- imxmd = devm_kzalloc(dev, sizeof(*imxmd), GFP_KERNEL);
- if (!imxmd)
- return -ENOMEM;
-
- dev_set_drvdata(dev, imxmd);
-
- strscpy(imxmd->md.model, "imx-media", sizeof(imxmd->md.model));
- imxmd->md.ops = &imx_media_md_ops;
- imxmd->md.dev = dev;
-
- mutex_init(&imxmd->mutex);
-
- imxmd->v4l2_dev.mdev = &imxmd->md;
- strscpy(imxmd->v4l2_dev.name, "imx-media",
- sizeof(imxmd->v4l2_dev.name));
-
- media_device_init(&imxmd->md);
-
- ret = v4l2_device_register(dev, &imxmd->v4l2_dev);
- if (ret < 0) {
- v4l2_err(&imxmd->v4l2_dev,
-"Failed to register v4l2_device: %d\n", ret);
- goto cleanup;
- }
-
- dev_set_drvdata(imxmd->v4l2_dev.dev, imxmd);
-
- INIT_LIST_HEAD(&imxmd->vdev_list);
-
- v4l2_async_notifier_init(&imxmd->notifier);
+ imxmd = imx_media_dev_init(dev);
+ if (IS_ERR(imxmd))
+ return PTR_ERR(imxmd);
ret = imx_media_add_of_subdevs(imxmd, node);
if (ret) {
v4l2_err(&imxmd->v4l2_dev,
"add_of_subdevs failed with %d\n", ret);
- goto notifier_cleanup;
+ goto dev_cleanup;
}
ret = imx_media_add_internal_subdevs(imxmd);
if (ret) {
v4l2_err(&imxmd->v4l2_dev,
"ad
